Codebook for Burtraw, Holt, Palmer and Shobe; JAERE 2022

round - period (1 - 30)
output_price - output price (30, 40)
emission_intensity - emission units per unit of output (1, 2)
permits_available - number offered at auction (66 - 37)
treatment - (None {baseline}, Linear, Step)
session_id - identifyer for each 1.5 hour experimental session (1 - 18)
subsession_id - unique identifyer for each individual round across all sessions
player_id - unique identifyer for a given person participating in a session (no repeats)
production - amount of output produced by a player in a round
otree_session_id - legacy oTree session ID (archive purposes only, not used)
permits - permits owned by a participant at the start of a round
permits_purchased_auction  - by a given participant in a given round (1 - 10)
id_in_group - identifier for a participant in a session (1 - 12)
auction_price - closing price at auction
ecr_retired - permits retired by price-responsive supply
pcr_added. - permits added by price containment reserve

Analysis data (above) merged from individual data files:
units: a unit is a specific unit of production capacity (4 per participant)
bids: bids made in the auctions
players: player-level information
groups: label for a set of players in a session
subsessions: a round within an experimental session

